FIELD: organic chemistry, pharmacy.
SUBSTANCE: invention relates to a new derivative of bicyclic heteroaromatic compound of the general formula (I) 
or its pharmaceutically acceptable salt eliciting agonistic activity with respect to luteinizing hormone (LH). Compounds can be used for preparing medicinal agents for control ability for conception. In compounds of the general formula (I) R1 represents R7 wherein R7 represents (C6-C10)-aryl optionally substituted with halogen atom at ortho- and/or meta-position; NHR8, OR8 wherein R8 means (C1-C8)-alkyl that can be substituted with halogen atom, (C1-C8)-alkylcarbonyl, (C1-C8)-alkylcarbonyloxy-group, phenyl, (C6-C10)-arylcarbonylamino-group, 5-methyl-2-phenylimidazol-4-yl, (C6)-heterocycloalkyl wherein 1-2 heteroatoms are taken among nitrogen and oxygen atoms, ethyloxycarbonylmethylthio-(C1-C4)-alkoxy-group, amino-group, (C6-C7)-heteroaryl; or (C5-C6)-heteroaryl comprising nitrogen, oxygen or sulfur atom as a heteroatom; R2 represents (C1-C8)-alkyl or (C6-C10)-aryl optionally substituted with one or more substitutes taken among (C1-C8)-alkoxy-group; or (C5-C6)-heteroaryl comprising nitrogen, oxygen or sulfur atom as a heteroatom; R3 represents (C1-C8)-alkyl possibly substituted with (C6-C14)-aryl possibly substituted with halogen atom, (C1-C4)-alkoxy-group, (C1-C4)-alkoxycarbonyl, mono- or tri-(C6-C10)-cycloalkyl, (C6-C10)-aryl, (C5-C6)-heteroaryl comprising nitrogen, oxygen or sulfur atom as a heteroatom; (C5-C7)-heterocycloalkyl comprising 2 heteroatoms taking among nitrogen or oxygen atom; (C3-C8)-cycloalkyl, (C2-C7)-heterocycloalkyl comprising 2 heteroatoms taking among nitrogen or oxygen atom; or (C6-C10)-aryl optionally substituted with one or more substitutes taken among (C1-C8)-alkoxy-group; X represents sulfur atom (S) or N(R4); Y represents nitrogen atom (N); R4 represents (C1-C8)-alkyl, phenyl-(C1-C8)-alkyl; or X represents sulfur atom (S), and Y represents CH; Z represents NH2 or OH; A represents sulfur (S), oxygen atom (O) or a bond. Also, invention relates to a pharmaceutical composition.
EFFECT: valuable properties of compounds and composition.
14 cl, 1 tbl, 119 ex
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